Which statement is true in this scenario?

Examine the set of commands given below:

Which statement is true in this scenario?

A.
All the instances of the RACDB will have the TRACE_ENABLED parameter with the value
TRUE because this parameter must have the same value on all the instances.

B.
All the instances of the RACDB will have the TRACE_ENABLED parameter with the value
TRUE except the RACDB_1 instance, which will have the value FALSE for this parameter.

C.
All the instances of the RACDB will have the TRACE_ENABLED parameter with the value
TRUE because the first ALTER statement has higher precedence.

D.
All the instances of the RACDB will nave the TRACE_ENABLED parameter with the value
FALSE because the second ALTER statement has higher precedence.

Explanation:
SPFILE Parameter Values and RAC